;;; find-dired.el --- run a `find' command and dired the output
-;;; Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1994, 1995, 2000 Free Software Foundation, Inc.
-;; Author: Roland McGrath <roland@gnu.ai.mit.edu>,
+;; Author: Roland McGrath <roland@gnu.org>,
;; Sebastian Kremer <sk@thp.uni-koeln.de>
-;; Maintainer: Sebastian Kremer <sk@thp.uni-koeln.de>
+;; Maintainer: FSF
;; Keywords: unix
-(defconst find-dired-version (substring "$Revision: 1.15 $" 11 -2)
- "$Id: find-dired.el,v 1.15 1994/04/24 08:15:55 rms Exp kwzh $")
-
-;;; This program is free software; you can redistribute it and/or modify
-;;; it under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 1, or (at your option)
-;;; any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;;; GNU General Public License for more details.
-;;;
-;;; A copy of the GNU General Public License can be obtained from this
-;;; program's author (send electronic mail to roland@ai.mit.edu) or from
-;;; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
-;;; 02139, USA.
-;;;
+;; This file is part of GNU Emacs.
-;;; Commentary:
-
-;; LISPDIR ENTRY for the Elisp Archive ===============================
-;; LCD Archive Entry:
-;; find-dired|Roland McGrath, Sebastian Kremer
-;; |roland@gnu.ai.mit.edu, sk@thp.uni-koeln.de
-;; |Run a `find' command and dired the output
-;; |$Date: 1994/04/24 08:15:55 $|$Revision: 1.15 $|
-
-;; INSTALLATION ======================================================
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
-;; To use this file, byte-compile it, install it somewhere in your
-;; load-path, and put:
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
-;; (autoload 'find-dired "find-dired" nil t)
-;; (autoload 'find-name-dired "find-dired" nil t)
-;; (autoload 'find-grep-dired "find-dired" nil t)
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
-;; in your ~/.emacs, or site-init.el, etc.
-
-;; To bind it to a key, put, e.g.:
-;;
-;; (global-set-key "\C-cf" 'find-dired)
-;; (global-set-key "\C-cn" 'find-name-dired)
-;; (global-set-key "\C-cl" 'find-grep-dired)
-;;
-;; in your ~/.emacs.
+;;; Commentary:
;;; Code:
(require 'dired)
+(defgroup find-dired nil
+ "Run a `find' command and dired the output."
+ :group 'dired
+ :prefix "find-")
+
+(defcustom find-dired-find-program "find"
+ "Program used to find files."
+ :group 'dired
+ :type 'file)
+
+;; find's -ls corresponds to these switches.
+;; Note -b, at least GNU find quotes spaces etc. in filenames
;;;###autoload
-(defvar find-ls-option (if (eq system-type 'berkeley-unix) "-ls"
- "-exec ls -ldi {} \\;")
- "*Option to `find' to produce an `ls -l'-type listing.")
+(defcustom find-ls-option
+ (if (eq system-type 'berkeley-unix) '("-ls" . "-gilsb")
+ '("-exec ls -ld {} \\;" . "-ld"))
+ "*Description of the option to `find' to produce an `ls -l'-type listing.
+This is a cons of two strings (FIND-OPTION . LS-SWITCHES). FIND-OPTION
+gives the option (or options) to `find' that produce the desired output.
+LS-SWITCHES is a list of `ls' switches to tell dired how to parse the output."
+ :type '(cons (string :tag "Find Option")
+ (string :tag "Ls Switches"))
+ :group 'find-dired)
;;;###autoload
-(defvar find-grep-options (if (eq system-type 'berkeley-unix) "-s" "-l")
+(defcustom find-grep-options
+ (if (or (eq system-type 'berkeley-unix)
+ (string-match "solaris2" system-configuration)
+ (string-match "irix" system-configuration))
+ "-s" "-q")
"*Option to grep to be as silent as possible.
-On Berkeley systems, this is `-s', for others it seems impossible to
-suppress all output, so `-l' is used to print nothing more than the
-file name.")
+On Berkeley systems, this is `-s'; on Posix, and with GNU grep, `-q' does it.
+On other systems, the closest you can come is to use `-l'."
+ :type 'string
+ :group 'find-dired)
(defvar find-args nil
"Last arguments given to `find' by \\[find-dired].")
+;; History of find-args values entered in the minibuffer.
+(defvar find-args-history nil)
+
;;;###autoload
(defun find-dired (dir args)
- "Run `find' and go into dired-mode on a buffer of the output.
+ "Run `find' and go into Dired mode on a buffer of the output.
The command run (after changing into DIR) is
- find . \\( ARGS \\) -ls"
+ find . \\( ARGS \\) -ls
+
+except that the variable `find-ls-option' specifies what to use
+as the final argument."
(interactive (list (read-file-name "Run find in directory: " nil "" t)
- (if (featurep 'gmhist)
- (read-with-history-in 'find-args-history
- "Run find (with args): ")
- (read-string "Run find (with args): " find-args))))
- ;; Expand DIR ("" means default-directory), and make sure it has a
- ;; trailing slash.
- (setq dir (file-name-as-directory (expand-file-name dir)))
- ;; Check that it's really a directory.
- (or (file-directory-p dir)
- (error "find-dired needs a directory: %s" dir))
- (switch-to-buffer (get-buffer-create "*Find*"))
- (widen)
- (kill-all-local-variables)
- (setq buffer-read-only nil)
- (erase-buffer)
- (setq default-directory dir
- find-args args ; save for next interactive call
- args (concat "find . "
- (if (string= args "")
- ""
- (concat "\\( " args " \\) "))
- find-ls-option))
- ;; The next statement will bomb in classic dired (no optional arg allowed)
- ;; find(1)'s -ls corresponds to these switches.
- ;; Note -b, at least GNU find quotes spaces etc. in filenames
- (dired-mode dir "-gilsb")
- ;; Set subdir-alist so that Tree Dired will work:
- (if (fboundp 'dired-simple-subdir-alist)
- ;; will work even with nested dired format (dired-nstd.el,v 1.15
- ;; and later)
- (dired-simple-subdir-alist)
- ;; else we have an ancient tree dired (or classic dired, where
- ;; this does no harm)
- (set (make-local-variable 'dired-subdir-alist)
- (list (cons default-directory (point-min-marker)))))
- (setq buffer-read-only nil)
- ;; Subdir headlerline must come first because the first marker in
- ;; subdir-alist points there.
- (insert " " dir ":\n")
- ;; Make second line a ``find'' line in analogy to the ``total'' or
- ;; ``wildcard'' line.
- (insert " " args "\n")
- ;; Start the find process
- (set-process-filter (start-process-shell-command "find"
- (current-buffer) args)
- (function find-dired-filter))
- (set-process-sentinel (get-buffer-process (current-buffer))
- (function find-dired-sentinel))
- (setq mode-line-process '(":%s")))
+ (read-string "Run find (with args): " find-args
+ '(find-args-history . 1))))
+ (let ((dired-buffers dired-buffers))
+ ;; Expand DIR ("" means default-directory), and make sure it has a
+ ;; trailing slash.
+ (setq dir (abbreviate-file-name
+ (file-name-as-directory (expand-file-name dir))))
+ ;; Check that it's really a directory.
+ (or (file-directory-p dir)
+ (error "find-dired needs a directory: %s" dir))
+ (switch-to-buffer (get-buffer-create "*Find*"))
+
+ ;; See if there's still a `find' running, and offer to kill
+ ;; it first, if it is.
+ (let ((find (get-buffer-process (current-buffer))))
+ (when find
+ (if (or (not (eq (process-status find) 'run))
+ (yes-or-no-p "A `find' process is running; kill it? "))
+ (condition-case nil
+ (progn
+ (interrupt-process find)
+ (sit-for 1)
+ (delete-process find))
+ (error nil))
+ (error "Cannot have two processes in `%s' at once" (buffer-name)))))
+
+ (widen)
+ (kill-all-local-variables)
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (setq default-directory dir
+ find-args args ; save for next interactive call
+ args (concat find-dired-find-program " . "
+ (if (string= args "")
+ ""
+ (concat "\\( " args " \\) "))
+ (car find-ls-option)))
+ ;; The next statement will bomb in classic dired (no optional arg allowed)
+ (dired-mode dir (cdr find-ls-option))
+ ;; This really should rerun the find command, but I don't
+ ;; have time for that.
+ (use-local-map (append (make-sparse-keymap) (current-local-map)))
+ (define-key (current-local-map) "g" 'undefined)
+ ;; Set subdir-alist so that Tree Dired will work:
+ (if (fboundp 'dired-simple-subdir-alist)
+ ;; will work even with nested dired format (dired-nstd.el,v 1.15
+ ;; and later)
+ (dired-simple-subdir-alist)
+ ;; else we have an ancient tree dired (or classic dired, where
+ ;; this does no harm)
+ (set (make-local-variable 'dired-subdir-alist)
+ (list (cons default-directory (point-min-marker)))))
+ (setq buffer-read-only nil)
+ ;; Subdir headlerline must come first because the first marker in
+ ;; subdir-alist points there.
+ (insert " " dir ":\n")
+ ;; Make second line a ``find'' line in analogy to the ``total'' or
+ ;; ``wildcard'' line.
+ (insert " " args "\n")
+ ;; Start the find process.
+ (let ((proc (start-process-shell-command find-dired-find-program (current-buffer) args)))
+ (set-process-filter proc (function find-dired-filter))
+ (set-process-sentinel proc (function find-dired-sentinel))
+ ;; Initialize the process marker; it is used by the filter.
+ (move-marker (process-mark proc) 1 (current-buffer)))
+ (setq mode-line-process '(":%s"))))
;;;###autoload
(defun find-name-dired (dir pattern)
find . -exec grep -s ARG {} \\\; -ls
Thus ARG can also contain additional grep options."
- (interactive "DFind-grep (directory): \nsFind-grep (grep args): ")
+ (interactive "DFind-grep (directory): \nsFind-grep (grep regexp): ")
;; find -exec doesn't allow shell i/o redirections in the command,
;; or we could use `grep -l >/dev/null'
+ ;; We use -type f, not ! -type d, to avoid getting screwed
+ ;; by FIFOs and devices. I'm not sure what's best to do
+ ;; about symlinks, so as far as I know this is not wrong.
(find-dired dir
- (concat "! -type d -exec grep " find-grep-options " "
+ (concat "-type f -exec grep " find-grep-options " "
args " {} \\\; ")))
(defun find-dired-filter (proc string)
(forward-line 1))
;; Convert ` ./FILE' to ` FILE'
;; This would lose if the current chunk of output
- ;; starts or ends within the ` ./', so backup up a bit:
+ ;; starts or ends within the ` ./', so back up a bit:
(goto-char (- end 3)) ; no error if < 0
(while (search-forward " ./" nil t)
- (delete-region (point) (- (point) 2)))))))
+ (delete-region (point) (- (point) 2)))
+ ;; Find all the complete lines in the unprocessed
+ ;; output and process it to add text properties.
+ (goto-char end)
+ (if (search-backward "\n" (process-mark proc) t)
+ (progn
+ (dired-insert-set-properties (process-mark proc)
+ (1+ (point)))
+ (move-marker (process-mark proc) (1+ (point)))))
+ ))))
;; The buffer has been killed.
(delete-process proc))))
;; process is dead, we can delete it now. Otherwise it
;; will stay around until M-x list-processes.
(delete-process proc)
- ;; Force mode line redisplay soon.
- (set-buffer-modified-p (buffer-modified-p))))
+ (force-mode-line-update)))
(message "find-dired %s finished." (current-buffer))))))
-
-(or (fboundp 'start-process-shell-command)
- ;; From version 19 subr.el.
-(defun start-process-shell-command (name buffer &rest args)
- "Start a program in a subprocess. Return the process object for it.
-Args are NAME BUFFER COMMAND &rest COMMAND-ARGS.
-NAME is name for process. It is modified if necessary to make it unique.
-BUFFER is the buffer or (buffer-name) to associate with the process.
- Process output goes at end of that buffer, unless you specify
- an output stream or filter function to handle the output.
- BUFFER may be also nil, meaning that this process is not associated
- with any buffer
-Third arg is command name, the name of a shell command.
-Remaining arguments are the arguments for the command.
-Wildcards and redirection are handled as usual in the shell."
- (if (eq system-type 'vax-vms)
- (apply 'start-process name buffer args)
- (start-process name buffer shell-file-name "-c"
- (concat "exec " (mapconcat 'identity args " "))))))
\f
(provide 'find-dired)